erírú noun /ē.ɾí.ɾú/
Definitions
  1. alternative form of eérú (“ash”) Ekitialt-ofalternative
Etymology
From e- (“nominalizing prefix”) + rírú (“partial reduplication of rú to glow”).
Component words
e-nominalizing prefixrírúpartial reduplication of rú to glow
Source: Wiktionary, where this word is spelled “eriru”. Reference: en-eriru-yo-noun-OWAWhFqI